I've checked multiple times now and it breaks as with the 1.8.1 image - I've completely rebuilt the Docker image and teared down the testing cluster.
Best, Tobi On Mon, Aug 12, 2019 at 1:45 PM Maximilian Michels <[email protected]> wrote: > Hi Tobias! > > I've checked if there were any relevant changes to the RocksDB state > backend in 1.8.1, but I couldn't spot anything. Could it be that an old > version of RocksDB is still in the Flink cluster path? > > Cheers, > Max > > On 06.08.19 16:43, Kaymak, Tobias wrote: > > And of course the moment I click "send" I find that: 😂 > > > > If you use Scala 2.11 and dependency version 1.8.0 in your Beam projects > > pom.xml it *does* work: > > > > <dependency> > > <groupId>org.apache.flink</groupId> > > <artifactId>flink-statebackend-rocksdb_2.11</artifactId> > > <version>1.8.0</version> > > </dependency> > > > > However, if you want to use 1.8.1 - it *does not*. > > > > I still found it confusing, as I am using the official Flink Docker > > images which are currently at version 1.8.1. It would have helped me if > > Beam would bundle the statebackend dependency (as already mentioned Beam > > allows the user to set a state backend via parameters of the > Flink Runner). > > > > On Tue, Aug 6, 2019 at 4:35 PM Kaymak, Tobias <[email protected] > > <mailto:[email protected]>> wrote: > > > > Hello, > > > > Flink requires in version 1.8, that if one wants to use RocksDB as a > > state backend, that dependency has to be added to the pom.xml file. > [0] > > > > My cluster stopped working with RocksDB so I did added this > > dependency to the pom.xml of my Beam project (I've tried 1.8.1 and > > 1.8.0): > > > > <dependency> > > <groupId>org.apache.flink</groupId> > > <artifactId>flink-statebackend-rocksdb_2.11</artifactId> > > <version>1.8.0</version> > > </dependency> > > > > I also tried to instead add > > the flink-statebackend-rocksdb_2.11-1.8.0.jar to the lib directory > > of the Flink cluster instead (TaskManagers and JobManager) in all > > cases I get this error: > > > > 2019-08-06 14:14:15,670 ERROR > > org.apache.flink.streaming.runtime.tasks.StreamTask - > > Error during disposal of stream operator > > java.lang.NoSuchMethodError: > > > org.rocksdb.ColumnFamilyHandle.getDescriptor()Lorg/rocksdb/ColumnFamilyDescriptor; > > at > > > org.apache.flink.contrib.streaming.state.RocksDBOperationUtils.addColumnFamilyOptionsToCloseLater(RocksDBOperationUtils.java:160) > > at > > > org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.dispose(RocksDBKeyedStateBackend.java:331) > > at > > > org.apache.flink.streaming.api.operators.AbstractStreamOperator.dispose(AbstractStreamOperator.java:362) > > at > > > org.apache.beam.runners.flink.translation.wrappers.streaming.DoFnOperator.dispose(DoFnOperator.java:470) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.disposeAllOperators(StreamTask.java:477) > > at > > > org.apache.flink.streaming.runtime.tasks.StreamTask.invoke(StreamTask.java:378) > > at org.apache.flink.runtime.taskmanager.Task.run(Task.java:711) > > at java.lang.Thread.run(Thread.java:748) > > > > This looks like a version mismatch to me, but I don't know how to > > solve it - could Beam maybe include the dependency for the RocksDB > > backend for Flink 1.8 or higher, as it allows to set this value via > > parameters for the Flink Runner? [1] > > > > > > [0] > https://ci.apache.org/projects/flink/flink-docs-release-1.8/ops/state/state_backends.html#setting-the-per-job-state-backend > > [1] > https://beam.apache.org/documentation/runners/flink/#pipeline-options-for-the-flink-runner > > > >
